Maximum cough intensity during voluntary cough per unit inspired lung volume
| Females | Males | |||||
|---|---|---|---|---|---|---|
| Cough | Controls | P-value | Cough | Controls | P-value | |
| Poes (cmH2O) | 110±51 | 72±23 | 0.02 | 138±69 | 80±27 | 0.02 |
| Pga (cmH2O) | 126±30 | 82±27 | <0.01 | 162±82 | 93±29 | 0.04 |
| PCFR:PEFRp ratio | 1.2±0.9 | 0.78±0.39 | <0.01 | 0.94±0.22 | 0.70±0.15 | 0.02 |
Data presented as mean±SD IV: inspiratory volume; Poes: oesophageal pressure; Pga: gastric pressure; PCFR: peak cough flow rate; PEFRp: predicted peak cough flow rate.